Home / 21,312,530.40-31,968,795.60-14,929,989.60

Finding the Fourth Proportional to 21,312,530.40, 31,968,795.60 and 14,929,989.60

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Solution

The fourth proportional to 21,312,530.40, 31,968,795.60 and 14,929,989.60 is: 22,394,984.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,312,530.40 : 31,968,795.60 = 14,929,989.60 : x
  2. Step 2: Convert to fraction form
    21,312,530.40/31,968,795.60 = 14,929,989.60/x
  3. Step 3: Cross multiply
    21,312,530.40x = 31,968,795.60 × 14,929,989.60
  4. Step 4: Simplify right side
    21,312,530.40x = 477,293,785,832,525.75
  5. Step 5: Solve for x
    x = 477,293,785,832,525.75/21,312,530.40
  6. Step 6: Final answer
    x = 22,394,984.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.